HAIL.SO / DISPATCH · 2026-07-12 · COMPARE
FILE: COMPARE · 6 of 6 slots

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02

Speech to text

4 models
AssemblyAI
Universal-Streaming
×
Cartesia
Ink Whisper
×
Rev.ai
Rev.ai Reverb
×
Speechmatics
Speechmatics Enhanced
×
$/min$0.002500$0.003000$0.003300$0.002150
$/min batch$0.001500
Streaming
Realtime
Languagesen99+en56+
Diarizationextra-costunsupportedincludedincluded
TTFW
Verified2026-07-022026-07-022026-07-022026-07-02
Sourceprovider page ↗provider page ↗provider page ↗provider page ↗
03

Text to speech

2 models
Cartesia
Sonic 2
×
Microsoft Azure
Azure AI Speech — Neural
×
$/1M chars$50.00$16.00
Voice qualityneuralneural
Voice cloning✓ included
Voice count
Languagesen, fr, de, es, pt, zh, ja, ko100+
SSML support
TTFB90ms
Output formats
Verified2026-07-022026-07-02
Sourceprovider page ↗provider page ↗